Justrite* Drum Vents

Drum vents provide automatic pressure relief. Operating valve opens at 5 psig internal pressure in normal service. Vacuum relief, manual or automatic depending on the model, permits four or more gallons per minute flow through a standard 3/4 in. faucet. 334-10291, 334-10279 and 334-10282 must be installed in the vertical position. 334-10330 is used for horizontal drums. Horizontal dispensing requires a self-closing faucet, a pressure-relief vent, a grounding wire, a bonding wire and a drip can. Approval listing: FM.